<template>
  <div class="tabs">
    <el-tag
      v-for="(tag, index) in tags"
      :key="tag.name"
      :closable="tag.name !== 'home'"
      :effect="$route.name === tag.name ? 'dark' : 'plain'"
      @click="changeMenu(tag)"
      @close = "handleClose(tag,index)"
      size="small"
    >
    {{ tag.label }}
    </el-tag>
  </div>
</template>

<script>
import { mapState,mapMutations  } from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {};
  },
  computed: {
    ...mapState({
      tags: (state) => state.tab.tabsList,
    }),
  },
  methods: {
      ...mapMutations({
          close: 'closeTag'
      }),
      changeMenu(item) {
          this.$router.push({ name: item.name })
      },
      handleClose(tag,index) {
          const length = this.tags.length - 1
          this.close(tag)
          if (tag.name !== this.$route.name) {
              return
          }
          if (index === length) {
              this.$router.push({
                  name: this.tags[index-1].name
              })
          } else {
              this.$router.push({
                  name: this.tags[index].name
              })
          }

      }
  }
};
</script>

<style lang="less" scoped>
.tabs {
    padding: 20px;
    .el-tag {
        margin-right: 15px;
        cursor: pointer;
    }
}
</style>
